(19)

(11)

EP 4 505 497 A1

(12)

(43) Date of publication: 12.02.2025 Bulletin 2025/07 (21) Application number: 23785377.5 (22) Date of filing: 06.04.2023

(51) International Patent Classification (IPC):  H01G 11/54(2013.01) C25D 3/02(2006.01) C25D 5/00(2006.01) H01G 11/22(2013.01) (52) Cooperative Patent Classification (CPC): Y02E 60/10; H01M 10/0569; H01M 10/0568; H01M 2300/0028; H01G 9/0029; H01G 9/035; H01G 11/60; H01G 11/62 (86) International application number: PCT/US2023/017720 (87) International publication number: WO 2023/196489 (12.10.2023 Gazette 2023/41)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 07.04.2022 US 202263328480 P 21.07.2022 US 202263391220 P (71) Applicant: South 8 Technologies, Inc. San Diego, California 92109 (US)	(72) Inventors: RUSTOMJI, Cyrus, S. San Diego, CA 92109 (US) ALESHIN, Aleksandr San Diego, CA 92109 (US) LEE, Jungwoo San Diego, CA 92109 (US) (74) Representative: Schlee, Alexander Richard  Schlee IP International Maximilianstraße 33 80539 München 80539 München (DE)